This dataset contains data from compiled surveys of systematic coverage of the
Canadian Shield, Applachian, etc. It has Gamma-ray spectrometry collected since
1971 and surveys including aeromagnetic ...
The Upper Cretaceous Sussex "B" sandstone was deposited as a probable
transgressive-marine sand-ridge complex in a mid-shelf position. The "B"
sandstone is bounded by upper and basal disconformities ...
This digital data set contains daily information on snowfall and snow
depth for approximately 1000 NOAA observing stations (mainly
cooperative sites) in 47 of the 48 conterminous U.S. Some 370 stations ...
[Adapted from Overview of some of Bartholomew Digital Map Data]
The Bartholomew digital data set is a vector layered map data set
comprising of point, ...
Louisiana contains 25 percent of the vegetated wetlands and 40 percent of the
tidal wetlands in the 48 conterminous States. These critical natural systems
are being lost. Louisiana leads the Nation ...
This data set contains vector data set of digital bathymetric data compiled
from several sources for use in research and/or commercial use. Geospatial
reference is by latitude/longitude.
Source data ...
During a collaborative project in 1992, Geological Survey of Canada and United
States Geological Survey scientists obtained about 850 line-km of high-quality
single-channel boomer and sleeve-gun seismic-reflection ...
[Adapted from EarthRef home page,
The EarthRef Digital Archive (ERDA) contains any type of digital data object
associated with the Earth Sciences. Data ...